香港有一家叫“利宝源”的珠宝商行，在６０年代还是一间默默无闻的小商店，有一天它在报纸最醒目的地方登了一则广告：１．从即日起，凡在“利宝源”购买珠宝首饰，本行为您向保险公司办理３年以上的保险，第一年保险费免费，第二年只收半费，第三年顾客自付。２．凡到“利宝 In Hong Kong, there was a jeweler firm called “Li Bao Yuan,” which was still an obscure small store in the 1960s. One day it launched an advertisement in the newspaper’s most prominent place: 1. From now on, when buying jewelery from “Li Bao Yuan”, the Bank handles your insurance for more than three years with you. The first year’s insurance fee is free of charge, the second year only half the fee, and the third year the customer pays. 2. Where to "Lee Po